package com.example.tests;

import java.util.Random;
import org.testng.annotations.Test;
import com.example.utils.SortedListOf;
import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

public class GroupRemovalTests extends TestBase {
	
	@Test
	public void deleteSomeGroup() {
		// save old state
		SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
		
		// get random group index
		Random rnd = new Random();
		int index = rnd.nextInt(oldList.size()-1);
		
		// actions
		app.getGroupHelper().deleteGroup(index);

		// save new state
		SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
		
		// compare states
		assertThat(newList, equalTo(oldList.without(index)));
	}	

}
